2. Presentations and Articles
Currently, the best general overview papers and presentations concerning
the CÆSAR Project are:

CÆSAR:

The CÆSAR Code: Software Design Issues
 A presentation by Michael L. Hall that was made to the
XDivision External Review Committee on March 10th, 1999 is
available in HTML,
PDF
and
PostScript
formats (LAUR991069). There is also a manager's
version of this presentation in PDF
and PostScript
(LAUR991070).

Spartan:

Spartan/Augustus Overview: Simplified Spherical
Harmonics and Diffusion for Unstructured Hexahedral Lagrangian
Meshes
 A presentation by Michael L. Hall that was
made to the Shavano working group on April 22nd, 1998 is available
in HTML,
PDF
and
PostScript
formats (LAUR983766).

Augustus:

Diffusion Discretization Schemes in Augustus: A New
Hexahedral Symmetric Support Operator Method
 A presentation by
Michael L. Hall and Jim E. Morel which was given three times 
to the ASCI PI meeting on July 14th, 1998 at Los Alamos National
Laboratory; at an XDivision Work In Progress talk on July 29th,
1998; and at the Nuclear Explosives Code Development Conference
in Las Vegas, NV on October 29th, 1998  is available in
HTML,
PDF
and
PostScript
formats (LAUR983146).

A Local SupportOperators Diffusion Discretization Scheme for
Hexahedral Meshes
 A paper by J. E. Morel, Michael L. Hall, and
Mikhail J. Shashkov which has been submitted to the Journal
of Computational Physics, Summer 1999  is available in
HTML,
PDF
and
PostScript
formats (LAUR994358).

A SecondOrder CellCentered Diffusion Difference Scheme for
Unstructured Hexahedral Lagrangian Meshes
 A presentation by Michael L. Hall and Jim E. Morel which was
given twice  at the International Congress On Computational
And Applied Mathematics in Leuven, Belgium on July 26th, 1996;
and at the Nuclear Explosives Code Developers Conference
in San Diego, CA on October 24th, 1996  is available in
PostScript
and PDF
formats (LACP977). It was presented with a video.

A SecondOrder CellCentered Diffusion Difference Scheme for
Unstructured Hexahedral Lagrangian Meshes
 A paper by Michael L. Hall and Jim E. Morel in the
Proceedings of the 1996 Nuclear Explosives Code
Developers Conference (NECDC), UCRLMI124790 is available
in HTML,
PDF
and
PostScript
formats (LACP978).
A complete listing of presentations and papers that are related to the CÆSAR Project follows:

CÆSAR:

Progress Towards HigherFidelity Yet Efficient Modeling
of Radiation Energy Transport Through ThreeDimensional
Clouds
 A poster presentation by Michael L. Hall and
Anthony B. Davis that was made at the Atmospheric
Radiation Measurement (ARM) Science Team Meeting in
Daytona Beach, FL on March 14th18th, 2005 is available
in HTML,
PDF
and
PostScript
formats (LAUR052275).

ThreeDimensional Radiative Transfer, Simplified ...
with Cloud Modeling and Remote Sensing in Mind
 A presentation by Anthony B. Davis, Michael L. Hall
and Igor N. Polonsky that was made at the Atmospheric
Radiation Measurement (ARM) Science Team Meeting in
Daytona Beach, FL on March 14th18th, 2005 is available in
PDF
format (LAUR052282).

The CÆSAR Code: Software Design Issues
 A presentation by Michael L. Hall that was made to the
XDivision External Review Committee on March 10th, 1999 is
available in HTML,
PDF
and
PostScript
formats (LAUR991069). There is also a manager's
version of this presentation in PDF
and PostScript
(LAUR991070).

Spartan:

Diffusion, P_{1}, and Other Approximate Forms of Radiation
Transport
 A paper by Gordon L. Olson, Larry H. Auer and Michael
L. Hall, in the Journal of Quantitative Spectroscopy and
Radiative Transfer, 64:6 (2000) pp. 619634, is available in
PDF format as both the
submitted version
and the JQSRT version
(LAUR99471).

Analysis of Z Pinch Shock Wave Experiments
 A Sandia
report by Timothy G. Trucano, Kent G. Budge, Jeffery Lawrence,
James Asay, Clint Hall, Kathleen Holland, Carl Konrad, Wayne
Trott, Gordon Chandler, and Kevin Fleming is available in
PDF
format
(SAND991255).

Spartan Test Problem Results
 A presentation by
Michael L. Hall that was made on September 29th,
1998 to the Department of Energy is available in
HTML,
PDF
and
PostScript
formats (LAUR983890). It was presented with a video.

Aspects of Analysis of Z Machine Shock Wave Physics Experiments
 A presentation by Timothy G. Trucano that
was made on August 6, 1998 to the DOE Interlaboratory MHD
Workshop at Los Alamos National Laboratory is available in
PDF
format.

Spartan Parallelization and Augustus Time Dependent Results
 A few slides prepared by Michael L. Hall as part of a
larger presentation to Gil Weigand on June 1st, 1998 are available
in HTML,
PDF
and
PostScript
formats (LAUR983750).

Spartan/Augustus Overview: Simplified Spherical
Harmonics and Diffusion for Unstructured Hexahedral Lagrangian
Meshes
 A presentation by Michael L. Hall that was
made to the Shavano working group on April 22nd, 1998 is available
in HTML,
PDF
and
PostScript
formats (LAUR983766).

``Top Hat'' problem (or ``Pipe Flow'' problem) Results
From Spartan
 Some results and graphs by Michael
L. Hall from running Spartan on the ``Top Hat'' problem are
available: Data Listing,
Results Summary (PostScript)
and compressed tarfile of whole directory.

Augustus:

A Local Support Operator Diffusion Discretization Scheme for
Hexahedral Meshes
 A presentation by Michael L. Hall, Jim E. Morel
and Mikhail J. Shashkov which was given at the JOWOG 42 meeting on
October 21st, 1999 at Los Alamos National Laboratory  is available
in HTML,
PDF
and
PostScript
formats (LAUR995834).

A Local SupportOperators Diffusion Discretization Scheme for
Hexahedral Meshes
 A presentation by Jim Morel, Michael L. Hall, and
Mikhail J. Shashkov which was presented at a CNLS Numerical Analysis
Seminar on November 9th, 1999 at Los Alamos National Laboratory  is
available in HTML,
PDF
and
PostScript
formats (LAUR996259).

A Local SupportOperators Diffusion Discretization Scheme for
Hexahedral Meshes
 A paper by J. E. Morel, Michael L. Hall, and
Mikhail J. Shashkov which has been submitted to the Journal
of Computational Physics, Summer 1999  is available in
HTML,
PDF
and
PostScript
formats (LAUR994358).

Diffusion Discretization Schemes in Augustus: A New Hexahedral
Symmetric Support Operator Method
 A presentation by Michael
L. Hall and Jim E. Morel which was given three times  to
the ASCI PI meeting on July 14th, 1998 at Los Alamos National
Laboratory; at an XDivision Work In Progress talk on July 29th,
1998; and at the Nuclear Explosives Code Development Conference
in Las Vegas, NV on October 29th, 1998  is available in
HTML,
PDF
and
PostScript
formats (LAUR983146).

A SecondOrder CellCentered Diffusion Difference Scheme for
Unstructured Hexahedral Lagrangian Meshes
 A presentation by Michael
L. Hall and Jim E. Morel which was given twice  at the International
Congress On Computational And Applied Mathematics in Leuven, Belgium
on July 26th, 1996; and at the Nuclear Explosives Code Developers
Conference in San Diego, CA on October 24th, 1996  is available in
PostScript
and PDF
formats (LACP977). It was presented with a video.

A SecondOrder CellCentered Diffusion Difference Scheme for
Unstructured Hexahedral Lagrangian Meshes
 A paper by
Michael L. Hall and Jim E. Morel in the Proceedings
of the 1996 Nuclear Explosives Code Developers
Conference (NECDC), UCRLMI124790 is available in
HTML,
PDF
and
PostScript
formats (LACP978).

Unique Linear Solver Needs of the Los Alamos Radiation
Transport Team
 A presentation
by Michael L. Hall and John M. McGhee which discusses the peripheral
issue of linear solvers with respect to two main code packages, DANTE
and Augustus/Spartan, is available in PostScript
and PDF
formats (LAUR991225). It
was presented at the Application Code Developers Meeting of the
Accelerated Strategic Computing Initiative in Albuquerque, NM,
August 28th, 1996.

RAYHYD: An ICF Target Simulation Code Written in C++
 A paper by Kent G. Budge, James S. Peery, Timothy G. Trucano, Mike
K. Wong, Jim E. Morel and Michael L. Hall in the Proceedings
of the 1994 Nuclear Explosives Code Developers Conference (NECDC) is
available in PDF
format.

Augustus: Unstructured Quadrilateral Mesh Diffusion
 A preliminary results presentation by Michael L. Hall
and Jim E. Morel that was made very early in the
development of Augustus, without much detail, is available in
PostScript
and PDF.
It was presented internally at Sandia National Laboratory on May
6th, 1994.
Michael L. Hall